80458720

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13591}}^1$

素因数の和:13643

約数の個数: 48

約数和(自身を含む): 195235488

約数和(自身を除く): 114776768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 13591, 27182, 54364, 67955, 108728, 135910, 217456, 271820, 434912, 502867, 543640, 1005734, 1087280, 2011468, 2174560, 2514335, 4022936, 5028670, 8045872, 10057340, 16091744, 20114680, 40229360, 80458720]

約数ペア:

[(1, 80458720), (2, 40229360), (4, 20114680), (5, 16091744), (8, 10057340), (10, 8045872), (16, 5028670), (20, 4022936), (32, 2514335), (37, 2174560), (40, 2011468), (74, 1087280), (80, 1005734), (148, 543640), (160, 502867), (185, 434912), (296, 271820), (370, 217456), (592, 135910), (740, 108728), (1184, 67955), (1480, 54364), (2960, 27182), (5920, 13591)]